Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,315 questions · 23,557 findings · 2,311 reviews

No studies found 4,183 · 17.8%GRADE not reported 3,930 · 16.7%Very low 5,371 · 22.8%Low 5,787 · 24.6%Moderate 3,320 · 14.1%High 966 · 4.1%

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Lower salt intake vs usual or high salt intake

Diastolic blood pressure · patients with diabetes with or without CKD
3 findings from 1 review

Simplified caries prediction models (>=2 predictors; microbiome-primary studies excluded), but some pooled models include microbe predictors (Yaxuan 2023: S. mutans; Kim 2018: biofilm acidogenicity/saliva) vs No competing model

Model discrimination (area under the ROC curve, AUC) · Children and adolescents aged 1-18 years

Simplified childhood caries prediction models show moderate pooled discrimination (AUC 0.79, 95% CI 0.73-0.84) but with very high heterogeneity (I2=97.3%) and all models at high risk of bias (PROBAST); ungraded.

1 finding from 1 review

Slum / urban-disadvantaged setting vs Non-slum urban / general-urban / national population

Periodontal disease prevalence · Adult residents of slums and non-slum urban settings of LMICs

Periodontal disease prevalence is high (23%-99%) across LMIC urban/slum populations; ungraded.

1 finding from 1 review

Silver diamine fluoride (SDF) vs Sealants or resin infiltration

Secondary prevention of caries · Children and adults (with or without carious lesions)

Silver diamine fluoride (SDF) showed no clear difference in secondary prevention of caries compared with sealants or resin infiltration; GRADE not reported.

1 finding from 1 review

Silver diamine fluoride (SDF) vs Atraumatic restorative treatment (ART) with glass ionomer cement (GIC) or glass ionomer material

Secondary prevention of caries · Children and adults (with or without carious lesions)

The review found no eligible studies for this question.

1 finding from 1 review

Slum / urban-disadvantaged setting vs Non-slum urban / general-urban / national population

Dental trauma prevalence · Adult residents of slums and non-slum urban settings of LMICs

Dental trauma appears more common in urban and disadvantaged settings; ungraded, few studies.

1 finding from 1 review